JP6943768B2 - 超音波血栓溶解処置およびモニタリングのための超音波トランスデューサ・アレイ - Google Patents
超音波血栓溶解処置およびモニタリングのための超音波トランスデューサ・アレイ Download PDFInfo
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- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/225—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for for extracorporeal shock wave lithotripsy [ESWL], e.g. by using ultrasonic waves
- A61B17/2256—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for for extracorporeal shock wave lithotripsy [ESWL], e.g. by using ultrasonic waves with means for locating or checking the concrement, e.g. X-ray apparatus, imaging means
- A61B17/2258—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for for extracorporeal shock wave lithotripsy [ESWL], e.g. by using ultrasonic waves with means for locating or checking the concrement, e.g. X-ray apparatus, imaging means integrated in a central portion of the shock wave apparatus
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N7/00—Ultrasound therapy
- A61N7/02—Localised ultrasound hyperthermia
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/08—Detecting organic movements or changes, e.g. tumours, cysts, swellings
- A61B8/0875—Detecting organic movements or changes, e.g. tumours, cysts, swellings for diagnosis of bone
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/08—Detecting organic movements or changes, e.g. tumours, cysts, swellings
- A61B8/0891—Detecting organic movements or changes, e.g. tumours, cysts, swellings for diagnosis of blood vessels
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
- A61B8/4483—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer
- A61B8/4494—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer characterised by the arrangement of the transducer elements
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/48—Diagnostic techniques
- A61B8/488—Diagnostic techniques involving Doppler signals
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/10—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis
- A61B90/14—Fixators for body parts, e.g. skull clamps; Constructional details of fixators, e.g. pins
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N7/00—Ultrasound therapy
- A61N2007/0039—Ultrasound therapy using microbubbles
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N7/00—Ultrasound therapy
- A61N2007/0052—Ultrasound therapy using the same transducer for therapy and imaging
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N7/00—Ultrasound therapy
- A61N2007/0073—Ultrasound therapy using multiple frequencies
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N7/00—Ultrasound therapy
- A61N2007/0078—Ultrasound therapy with multiple treatment transducers
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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- Neurosurgery (AREA)
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- Gynecology & Obstetrics (AREA)
- Surgical Instruments (AREA)
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Description
本発明は医療診断超音波システムに、詳細には撮像および超音波血栓溶解による療法を実行する超音波システムに関する。
d.超音波血栓溶解処置周波数を受けている間の微小泡から発する信号を聴くことにより、キャビテーション・プロセッサ28による返ってくる信号のスペクトルの検出/分類を介して、現場圧力を決定する。たとえば慣性キャビテーションについてのシグネチャーが検出され、安定したキャビテーションが所望される場合、慣性キャビテーション検出器50はスピーカー42によってアラームを生じる。ユーザーはこの情報に、超音波血栓溶解アレイによって生成される超音波出力パワー(MI)を下げることによって対応する。たとえばキャビテーション・プロセッサ28による画像における閉塞部位のキャビテーション着色の徴候がないことにより、キャビテーションが全く検出されない場合には、キャビテーションが検出されるまで、超音波血栓溶解アレイの出力パワーが上げられる。この出力パワーのスケーリングは、ユーザー介入なしに、たとえば出力パワー制御ループを介して自動的に達成されることもできる。処置はこの設定において続けられる。そのような使用は、システムが、異なる側頭骨窓によって生成される減衰や、脳組織の異なる音響属性に起因する減衰の何らかの変化について補償することを許容する。
Claims (12)
- 命令を有する超音波療法システムであって、前記命令は、実行されたときに当該システムに:
療法トランスデューサ素子から脳血管系における閉塞部に向けて療法超音波エネルギーを送信する段階であって、前記療法トランスデューサ素子は二次元アレイに含まれ、前記二次元アレイは、直線的にさいの目状にされたトランスデューサ素子を含み、それらのトランスデューサ素子は、コーナー素子が欠けていて概してまるまったアレイ形状を与えるようなパターンで配置されている、段階と;
撮像トランスデューサ素子から療法以外の超音波エネルギーを送信する段階であって、前記撮像トランスデューサ素子は前記二次元アレイに含まれる、段階とを実行させるものであり、
前記療法トランスデューサ素子および撮像トランスデューサ素子による超音波エネルギーの送信および受信は、単一のビームフォーマーに結合され、
前記撮像トランスデューサ素子が、療法トランスデューサ素子の前記二次元アレイのまわりに周辺に位置されており、前記撮像トランスデューサ素子は、並列な動作のために一緒に結合されており、前記撮像トランスデューサ素子が、より広い帯域幅のための、より重い裏材または身体への異なるエネルギー結合のための異なる音響整合層の一つまたは複数を有する、
システム。 - 前記二次元アレイにおける療法トランスデューサ素子の数は128であり、前記ビームフォーマーは128チャネル・ビームフォーマーを有する、請求項1記載のシステム。
- 前記撮像トランスデューサ素子は、療法超音波素子の前記二次元アレイ内で中心に配置されている、請求項2記載のシステム。
- 前記撮像トランスデューサ素子の数は4である、請求項3記載のシステム。
- 前記4個の撮像トランスデューサ素子は、トランスデューサ・パッチとしての並列な動作のために一緒に結合されている、請求項4記載のシステム。
- 撮像トランスデューサ素子の数は4である、請求項1記載のシステム。
- 5素子のグループに配列された20個の撮像トランスデューサ素子を有しており、各グループが療法トランスデューサ素子の前記二次元アレイの辺上に位置される、請求項1記載のシステム。
- 当該システムは、実行されるとき、前記撮像トランスデューサ素子に、前記療法トランスデューサ素子よりも高い周波数で超音波を送信させる命令を有する、請求項1記載のシステム。
- 前記撮像トランスデューサ素子が、前記療法トランスデューサ素子よりも小さな高さを有する、請求項8記載のシステム。
- 前記撮像トランスデューサ素子は、Aライン撮像、ドップラー検出または頭蓋厚さ測定のうちの一つのために構成されている、請求項1記載のシステム。
- 前記撮像トランスデューサ素子は、キャビテーションに特徴的なサブハーモニックまたはウルトラハーモニック周波数に敏感な帯域幅をもつ、請求項1記載のシステム。
- 当該超音波療法システムはさらに:
前記撮像トランスデューサ素子によって生成される信号に応答するキャビテーション検出器と;
前記二次元アレイに結合され、前記療法トランスデューサ素子によって生成される超音波エネルギーを制御するよう構成された増幅器電子回路とをさらに有する、
請求項11記載の超音波療法システム。
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JP2021094887A JP2021151508A (ja) | 2015-03-30 | 2021-06-07 | 超音波血栓溶解処置およびモニタリングのための超音波トランスデューサ・アレイ |
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PCT/IB2016/051758 WO2016157072A1 (en) | 2015-03-30 | 2016-03-29 | Ultrasonic transducer array for sonothrombolysis treatment and monitoring |
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2016
- 2016-03-29 WO PCT/IB2016/051758 patent/WO2016157072A1/en active Application Filing
- 2016-03-29 JP JP2017550674A patent/JP6943768B2/ja active Active
- 2016-03-29 EP EP16715622.3A patent/EP3277377A1/en not_active Withdrawn
- 2016-03-29 CN CN201680019263.4A patent/CN107530555A/zh active Pending
- 2016-03-29 US US15/562,782 patent/US20180049762A1/en not_active Abandoned
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2021
- 2021-06-07 JP JP2021094887A patent/JP2021151508A/ja not_active Withdrawn
Also Published As
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US20180049762A1 (en) | 2018-02-22 |
JP2021151508A (ja) | 2021-09-30 |
JP2018513726A (ja) | 2018-05-31 |
WO2016157072A1 (en) | 2016-10-06 |
CN107530555A (zh) | 2018-01-02 |
EP3277377A1 (en) | 2018-02-07 |
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